"""
13-LESSON
"""
i = 1
while i <= 10:
    print(i, end=' ')
    #i = i + 1
    i += 1
    
    

print('hello', 'world', sep='!', end=' | ')
print('hello2', 'world2')

S = 'Hello world'
for l in S:
    if l == ' ':
        continue
    print(f'"{l}"', end=' ')

for i in 'Hello world':
    if i == ' ':
        break
    print(i, end=' ')

print('\nNo spaces')

j = 1
while j <= 20:
    print(j, end=' ')
    #j = j + 1
    j += 1
